2x Pack - Nikon Coolpix S3100 Battery + Charger with Car & EU Adapters - Replacement for Nikon EN-EL19 Digital Camera Battery and Charger (700mAh, 3.7V, Lithium-Ion) - Walmart.com
Cheap Battery | Replacement nikon Coolpix S3100 Battery | nikon Coolpix S3100 Digital Camera Battery
EN-EL19 -Lithium-Ion Battery (700mAh) for the Nikon Coolpix S3100, S3300 and S4100 cameras. | Qartaj
Nikon Coolpix S3100 Camera Battery Replacement - iFixit Repair Guide
Nikon EN-EL19 Lithium-Ion Battery (700mAh) 25837 B&H Photo Video